1 files changed, 6 insertions, 2 deletions
diff --git a/lib/PublicInbox/LeiToMail.pm b/lib/PublicInbox/LeiToMail.pm
index 1e2060fe..13b4f672 100644
--- a/lib/PublicInbox/LeiToMail.pm
+++ b/lib/PublicInbox/LeiToMail.pm
@@ -223,8 +223,6 @@ sub _post_augment_mbox { # open a compressor process
          $dup->{$_} = $lei->{$_} for qw(2 sock);
          tie *$pp, 'PublicInbox::ProcessPipe', $pid, $w, \&reap_compress, $dup;
          $lei->{1} = $pp;
-        die 'BUG: unexpected {ovv}->{lock_path}' if $lei->{ovv}->{lock_path};
-        $lei->{ovv}->ovv_out_lk_init;
  }
  
  sub decompress_src ($$$) {
@@ -495,6 +493,7 @@ sub _pre_augment_mbox {
          my $out = $lei->{1};
          if ($dst ne '/dev/stdout') {
                  if (-p $dst) {
+                        $out = undef;
                          open $out, '>', $dst or die "open($dst): $!";
                  } elsif (-f _ || !-e _) {
                          require PublicInbox::MboxLock;
@@ -521,6 +520,11 @@ sub _pre_augment_mbox {
          if (($self->{zsfx}) = ($dst =~ /\.($zsfx_allow)\z/)) {
                  pipe(my ($r, $w)) or die "pipe: $!";
                  $lei->{zpipe} = [ $r, $w ];
+                $lei->{ovv}->{lock_path} and
+                        die 'BUG: unexpected {ovv}->{lock_path}';
+                $lei->{ovv}->ovv_out_lk_init;
+        } elsif (!$self->{seekable} && !$lei->{ovv}->{lock_path}) {
+                $lei->{ovv}->ovv_out_lk_init;
          }
          $lei->{1} = $out;
          undef;